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2 years ago

1/3(x - 10) = - 4 x = ?

Mathematics

2 answers:

ki77a [65]2 years ago

7 0

Answer:

x = -2

Step-by-step explanation:

1/3(x - 10) = - 4

1/3x - 10/3 = - 4

1/3x = -4 + 10/3

1/3x = -2/3

x = -2/3 · 3

x = -2

IrinaK [193]2 years ago

5 0

Answer:

x=-2

Step-by-step explanation:

First use distributive property

1/3*x and 1/3*-10

=1/3x-10/3=-4

Then add 10/3 on both sides so x can be by itself

=1/3x=-4+10/3

Then add -4 and 10/3

=1/3x=-2/3

Then multiply each side by the reciprocal of 1/3 which is 3/1

x=-2

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2 years ago

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2 years ago

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3 years ago

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Masteriza [31]

Answer:

$(5,1)$

Step-by-step explanation:

Hi there!

Midpoint = $\displaystyle (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )$ where the two endpoints are $(x_1,y_1)$ and $(x_2,y_2)$

Plug in the given information:

Midpoint = (5,3), Endpoint = (5,5)

$(5,3)=\displaystyle (\frac{5+x_2}{2},\frac{5+y_2}{2} )$ where $(x_2,y_2)$ is the other endpoint

Solve for $x_2$ :

$\displaystyle \frac{5+x_2}{2} =5\\\\5+x_2 =10\\x_2 =5$

Solve for $y_2$ :

$\displaystyle\frac{5+y_2}{2}=3 \\\\{5+y_2}=6\\y_2=1$

Therefore, the other endpoint $(x_2,y_2)$ is $(5,1)$ .

I hope this helps!

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2 years ago

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-Dominant- [34]

Answer:

x=18

Step-by-step explanation:

Hey There!

So if you did not know all of the angles in a triangle will add up to equal 180

So we use the equation

180=2x+3x+5x

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3 years ago

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